Parts for Kenmore 663.21 / 1988 (66321 / 1988, 663 21 / 1988): Burner Section Parts

Gas burner won't light or clicks but doesn't ignite? Replace the igniter switch to restore spark and reliable lighting. Simple 15-30 minute DIY fix.

Oven won't heat, slow to reach temperature, or glows dull orange? This igniter fixes weak ignition. Moderate DIY repair with basic hand tools.

Oven won't light or ignites with a loud pop? A faulty igniter is usually the cause. Simple DIY fix—disconnect two screws and wire nuts to replace.

Gas burners won't ignite? A faulty spark module may be the issue. This part sends electrical current to igniters. DIY-friendly, takes minutes.

This hex nut secures the appliance fuse or fuse holder in place, keeping the electrical connection stable and preventing the fuse from loosening during operation. Small but critical for reliable circuit protection. What it does:

• Fastens the fuse or fuse holder to the mounting stud or terminal
• Maintains a secure electrical contact to help the fuse function correctly
• Helps prevent vibration-related loosening or intermittent power faults
• A missing or loose nut can allow the fuse to shift or lose contact, causing power issues

• Disconnect power to the appliance before servicing to avoid shock or damage
• Use the correct-size wrench or socket to avoid rounding the nut
• Tighten to snug fit—do not overtighten; overtightening can damage threads or the fuse assembly
• Inspect mating threads and the fuse holder for wear; replace damaged parts as needed

If your gas range oven won't heat after a power outage or surge, a blown thermal fuse may be the cause. This safety device prevents overheating damage.

Oven won't light even though igniter glows? Burner lights only when valve is tapped? Replace the dual gas safety valve. DIY install in under 1 hour.

The pressure regulator with bracket controls gas flow to the range burners and is typically located behind the range. Replace when burners won't light, flame is irregular, or you smell gas during operation.

Mounting bracket that secures the gas pressure regulator to your range frame. Replace if bent, broken, or missing to properly support the regulator assembly.